Article(id=1227591032934695725, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.08.027, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1696694400000, receivedDateStr=2023-10-08, revisedDate=1701964800000, revisedDateStr=2023-12-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1770610109788, onlineDateStr=2026-02-09, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770610109788, onlineIssueDateStr=2026-02-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770610109788, creator=13701087609, updateTime=1770610109788, updator=13701087609, issue=Issue{id=1227591023870800760, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='8', pageStart='1645', pageEnd='1934', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1770610107611, creator=13701087609, updateTime=1770610373804, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1227592140348388157, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1227592140348388158, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1912, endPage=1921, ext={EN=ArticleExt(id=1227591033375097652, articleId=1227591032934695725, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Basic vibration characteristics of mountain rack railway vehicles under pier settlement, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
There are a large number of ultra-large slope bridges in the rack railway line,and the settlement of bridge piers is difficult to avoid. It leads to the decrease of the smoothness of the railway line and threaten the safety and smoothness of the train. To solve this problem,based on the theory of vehicle-rack(track)-bridge dynamic interaction and gear dynamics,a coupled dynamic model of mountain vehicle-rack(track) -bridge system is established. The dynamic model considers the nonlinear meshing behavior of gear-rack and nonlinear contact behavior of wheel-rail in detail. The meshing behavior of gear-rack and the dynamic characteristics of vehicles under three different pier settlement modes (single pier settlement,continuous pier settlement and spaced pier settlement) are investigated,and the influence of different pier settlement modes on the vibration of vehicles is compared. The results show that the influence of pier settlement on the rack railway system is mainly reflected in the vertical and longitudinal acceleration of the vehicle,and the main frequency of vibration is 1~2 Hz and 8~9 Hz respectively. The effects of single pier settlement on the basic vibration characteristics of the rack-bridge system are similar to those of double pier settlement. But compared with double pier settlement,the effects of single pier settlement on the longitudinal acceleration of the vehicle are more significant,and the fluctuation of the meshing frequency is also significantly increased. Pier settlement will cause the increase of gear offset,and then lead to the instability of gear-rack meshing. When pier settlement is 6 mm,the problem of meshing apart begins to appear,which seriously threatens the operation safety of vehicles.
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齿轨铁路线路存在大量超大坡度桥梁,而桥墩沉降问题难以避免,这将导致齿轨线路平顺性下降,威胁列车运行安全性和平稳性。针对该问题,本文基于列车-轨道-桥梁动力相互作用理论和齿轮动力学,建立考虑齿轮-齿轨非线性啮合行为和轮轨非线性接触行为的山地齿轨车辆-齿轨(轨道)-桥梁耦合动力学模型,探究3种不同桥墩沉降形式(单桥墩沉降、连续桥墩沉降、间隔桥墩沉降)下齿轮-齿轨啮合行为以及齿轨车辆动态特性,并在此基础上对比了不同形式桥墩沉降对齿轨车辆振动的影响程度。研究结果表明:桥墩沉降对齿轨系统的影响主要体现在车辆垂、纵向加速度方面,其振动主频分别位于1~2 Hz之间和8~9 Hz之间;单墩沉降工况与双墩沉降工况对齿轨-桥梁系统基本振动特性的影响相似,但相比于双墩沉降工况,单墩沉降对齿轨车辆纵向加速度的影响更为显著,同时,其啮合频率波动也明显增大;桥墩沉降会造成齿轮偏移量增大,进而导致齿轮-齿轨啮合不稳定,在桥墩沉降量为6 mm时,开始出现脱啮问题,严重威胁齿轨车辆运行安全性。
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, authorsList=陈兆玮, 张梦琪, 王浪, 陈志辉, 杨吉忠)}, authors=[Author(id=1227653574428132114, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=chenzhaowei_cq@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1227653574549766938, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, authorId=1227653574428132114, language=EN, stringName=Zhaowei CHEN, firstName=Zhaowei, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Mechatronics & Vehicle Engineering,Chongqing Jiaotong University,Chongqing 400074,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653574675596064, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, authorId=1227653574428132114, language=CN, stringName=陈兆玮, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.重庆交通大学机电与车辆工程学院,重庆 400074, bio={"content":"
陈兆玮(1988—),男,博士,教授。E-mail: chenzhaowei_cq@163.com
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陈兆玮(1988—),男,博士,教授。E-mail: chenzhaowei_cq@163.com
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1.重庆交通大学机电与车辆工程学院,重庆 400074, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653574147113733, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, xref=1., ext=[AuthorCompanyExt(id=1227653574155502342, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, companyId=1227653574147113733, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Science and Technology Research Institute of China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653576919548793, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, authorId=1227653576730805096, language=CN, stringName=陈志辉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.中铁二院工程集团有限责任公司科学技术研究院,四川 成都 610031, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653574281331466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, xref=2., ext=[AuthorCompanyExt(id=1227653574310691595, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, companyId=1227653574281331466, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中铁二院工程集团有限责任公司科学技术研究院,四川 成都 610031, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653574281331466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, xref=2., ext=[AuthorCompanyExt(id=1227653574310691595, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, companyId=1227653574281331466, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中铁二院工程集团有限责任公司科学技术研究院,四川 成都 610031)])])], keywords=[Keyword(id=1227653577582248864, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, orderNo=1, keyword=rack railway), Keyword(id=1227653577695495078, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, orderNo=2, keyword=gear-rack dynamics), Keyword(id=1227653577770992555, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, orderNo=3, keyword=pier settlement), Keyword(id=1227653577859072946, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, orderNo=4, keyword=vehicle-track-bridge dynamic interaction), Keyword(id=1227653577997484990, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, orderNo=5, keyword=vibration characteristics), Keyword(id=1227653578110731208, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, orderNo=1, keyword=齿轨铁路), Keyword(id=1227653578219783122, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, orderNo=2, keyword=齿轮-齿轨动力学), Keyword(id=1227653578333029340, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, orderNo=3, keyword=桥墩沉降), Keyword(id=1227653578433692645, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, orderNo=4, keyword=列车-轨道-桥梁动力相互作用), Keyword(id=1227653578580493298, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, orderNo=5, keyword=振动特性)], refs=[Reference(id=1227653590148383307, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, doi=null, pmid=null, pmcid=null, year=2019, volume=63, issue=12, pageStart=37, pageEnd=43, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=牛悦丞, 李芾, 丁军君, journalName=铁道标准设计, refType=null, unstructuredReference=牛悦丞,李芾,丁军君,等.齿轨铁路发展及应用现状综述[J].
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1.重庆交通大学机电与车辆工程学院,重庆 400074)]), AuthorCompany(id=1227653574281331466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, xref=2., ext=[AuthorCompanyExt(id=1227653574310691595, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, companyId=1227653574281331466, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中铁二院工程集团有限责任公司科学技术研究院,四川 成都 610031)])], figs=[ArticleFig(id=1227653578878287881, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 1, caption=
Vehicle-rack (track)-bridge coupling dynamics model, figureFileSmall=89J5k2toy8p8QQkBsS1s+w==, figureFileBig=MxgoKvddrIUHQaMw9yV0pw==, tableContent=null), ArticleFig(id=1227653579071225883, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图1, caption=
车辆-齿轨(轨道)-桥梁耦合动力学模型注:ksx和ksy分别表示二系悬挂系统纵向和垂向刚度;csx和csy分别表示二系悬挂系统纵向和垂向阻尼;kpx和kpy分别表示一系悬挂系统纵向和垂向刚度;cpx和cpy分别表示一系悬挂系统纵向和垂向阻尼;krv和crv分别表示轨道和轨枕连接刚度和阻尼;kb和cb分别表示轨枕和道床连接刚度和阻尼;kfv和cfv分别表示道床和桥梁连接刚度和阻尼。
, figureFileSmall=89J5k2toy8p8QQkBsS1s+w==, figureFileBig=MxgoKvddrIUHQaMw9yV0pw==, tableContent=null), ArticleFig(id=1227653579222220841, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 2, caption=
Schematic diagram of bridge, figureFileSmall=P5MnfIwoetICcNpl03hHiQ==, figureFileBig=cd2u8kHgZuLSeMW3+eFijA==, tableContent=null), ArticleFig(id=1227653579389993010, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图2, caption=
桥梁示意图, figureFileSmall=P5MnfIwoetICcNpl03hHiQ==, figureFileBig=cd2u8kHgZuLSeMW3+eFijA==, tableContent=null), ArticleFig(id=1227653580694421563, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 3, caption=
Gear-rack meshing force and gear offset, figureFileSmall=OQ//HFyH05R8vb9HeLB7EA==, figureFileBig=6NZQwK1EQbCAv1JpTDG3wQ==, tableContent=null), ArticleFig(id=1227653580837027911, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图3, caption=
齿轮-齿轨啮合力及齿轮偏移量, figureFileSmall=OQ//HFyH05R8vb9HeLB7EA==, figureFileBig=6NZQwK1EQbCAv1JpTDG3wQ==, tableContent=null), ArticleFig(id=1227653580971245655, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 4, caption=
Vibration spectrum of gear-rack meshing force, figureFileSmall=rqeAu7V6QOWbNCmcYL0Ymg==, figureFileBig=fc77zX55Z/rWKZAWjrAgkQ==, tableContent=null), ArticleFig(id=1227653581084491875, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图4, caption=
齿轮-齿轨啮合力振动频谱, figureFileSmall=rqeAu7V6QOWbNCmcYL0Ymg==, figureFileBig=fc77zX55Z/rWKZAWjrAgkQ==, tableContent=null), ArticleFig(id=1227653581210321009, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 5, caption=
Dynamic transmission error and meshing frequency of gear-rack, figureFileSmall=N3iET0dKx9QPLobYq9xNFw==, figureFileBig=Ena8zEmXLB+egNGuhMldiw==, tableContent=null), ArticleFig(id=1227653581319372927, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图5, caption=
齿轮-齿轨动态传递误差及啮合频率, figureFileSmall=N3iET0dKx9QPLobYq9xNFw==, figureFileBig=Ena8zEmXLB+egNGuhMldiw==, tableContent=null), ArticleFig(id=1227653581470367886, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 6, caption=
Longitudinal acceleration of vehicle, figureFileSmall=nOcM1cBCtmRZfjP5CMMVXw==, figureFileBig=xTx7PoWqIuSujkiPhRshDg==, tableContent=null), ArticleFig(id=1227653581696860322, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图6, caption=
车体纵向加速度, figureFileSmall=nOcM1cBCtmRZfjP5CMMVXw==, figureFileBig=xTx7PoWqIuSujkiPhRshDg==, tableContent=null), ArticleFig(id=1227653581801717932, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 7, caption=
Vertical acceleration of vehicle, figureFileSmall=D+0MRitXr++xWw1Zag7GGw==, figureFileBig=JNuRw3PBQiATzrbPz4zhhg==, tableContent=null), ArticleFig(id=1227653582011433143, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图7, caption=
车体垂向加速度, figureFileSmall=D+0MRitXr++xWw1Zag7GGw==, figureFileBig=JNuRw3PBQiATzrbPz4zhhg==, tableContent=null), ArticleFig(id=1227653582112096450, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 8, caption=
Gear offset and gear-rack meshing force under uniform settlement of double piers, figureFileSmall=6q37qB6WRAjuiDc/nli97g==, figureFileBig=ox8Lzi6OXM6KvKz/rfZOVg==, tableContent=null), ArticleFig(id=1227653582221148361, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图8, caption=
双墩均匀沉降下齿轮偏移量及齿轮-齿轨啮合力, figureFileSmall=6q37qB6WRAjuiDc/nli97g==, figureFileBig=ox8Lzi6OXM6KvKz/rfZOVg==, tableContent=null), ArticleFig(id=1227653582355366102, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 9, caption=
Vibration spectrum of gear-rack meshing force under uniform settlement of double piers, figureFileSmall=wpzDyqCnt66bXfM1y8vJZQ==, figureFileBig=vZz/6iy81KYNJJvDANV4Rw==, tableContent=null), ArticleFig(id=1227653582460223712, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图9, caption=
双墩均匀沉降下齿轮-齿轨啮合力振动频谱, figureFileSmall=wpzDyqCnt66bXfM1y8vJZQ==, figureFileBig=vZz/6iy81KYNJJvDANV4Rw==, tableContent=null), ArticleFig(id=1227653582598635757, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 10, caption=
Gear offset and gear-rack meshing force under uneven settlement of double piers, figureFileSmall=+M8cQSFjUFQOItykJqrKWg==, figureFileBig=fq/R6iv/G1dMJbmcF2rpQQ==, tableContent=null), ArticleFig(id=1227653582716076280, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图10, caption=
双墩不均匀沉降下齿轮偏移量及齿轮-齿轨啮合力, figureFileSmall=+M8cQSFjUFQOItykJqrKWg==, figureFileBig=fq/R6iv/G1dMJbmcF2rpQQ==, tableContent=null), ArticleFig(id=1227653582841905416, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 11, caption=
Dynamic transmission error and meshing frequency of gear-rack under uniform settlement of double piers, figureFileSmall=GrBu8+M255GWXmdeSTzxSQ==, figureFileBig=GeTNL77Md3aGFxvBqsK4Cg==, tableContent=null), ArticleFig(id=1227653582934180108, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图11, caption=
双墩均匀沉降下齿轮-齿轨动态传递误差及啮合频率, figureFileSmall=GrBu8+M255GWXmdeSTzxSQ==, figureFileBig=GeTNL77Md3aGFxvBqsK4Cg==, tableContent=null), ArticleFig(id=1227653583034843415, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 12, caption=
Longitudinal acceleration and vibration spectrum of vehicle under uniform settlement of double piers, figureFileSmall=x+oeHGWdeswoO5OdDWWSGg==, figureFileBig=8KP7PsN2BSWKX+funs6C4g==, tableContent=null), ArticleFig(id=1227653583169061151, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图12, caption=
双墩均匀沉降下车体纵向加速度及其振动频谱, figureFileSmall=x+oeHGWdeswoO5OdDWWSGg==, figureFileBig=8KP7PsN2BSWKX+funs6C4g==, tableContent=null), ArticleFig(id=1227653583303278887, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 13, caption=
Vertical acceleration and vibration spectrum of vehicle under uniform settlement of double piers, figureFileSmall=5IpCKK5WOitQYip8UzRg7Q==, figureFileBig=wneOh/PPNCn5ls9P6atN1w==, tableContent=null), ArticleFig(id=1227653583416525102, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图13, caption=
双墩均匀沉降下车体垂向加速度及其振动频谱, figureFileSmall=5IpCKK5WOitQYip8UzRg7Q==, figureFileBig=wneOh/PPNCn5ls9P6atN1w==, tableContent=null), ArticleFig(id=1227653583533965626, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 14, caption=
Vertical and longitudinal acceleration of vehicle under uneven settlement of double piers, figureFileSmall=87MSwRX8h+ZVdsQvO0bN0A==, figureFileBig=4WFB07r/nIIM6aCBQSq7Cg==, tableContent=null), ArticleFig(id=1227653583663989062, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图14, caption=
双墩不均匀沉降下车体垂、纵向加速度, figureFileSmall=87MSwRX8h+ZVdsQvO0bN0A==, figureFileBig=4WFB07r/nIIM6aCBQSq7Cg==, tableContent=null), ArticleFig(id=1227653583810789712, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 15, caption=
Vibration spectrum of vertical and longitudinal acceleration of vehicle under uneven settlement of double piers, figureFileSmall=pOspZXzNJR1XH7xKJk7VNw==, figureFileBig=m/H5FvR0Sl8WfAbkTq3B3A==, tableContent=null), ArticleFig(id=1227653585228464470, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图15, caption=
双墩不均匀沉降下车体垂、纵向加速度振动频谱, figureFileSmall=pOspZXzNJR1XH7xKJk7VNw==, figureFileBig=m/H5FvR0Sl8WfAbkTq3B3A==, tableContent=null), ArticleFig(id=1227653585337516380, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 16, caption=
Gear offset and gear-rack meshing force under uniform settlement of double piers, figureFileSmall=L29iYdrs2Lw7MhxZDkUiJg==, figureFileBig=cHgrlNE6oVStKWi9JjTM+A==, tableContent=null), ArticleFig(id=1227653585433985382, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图16, caption=
双墩均匀沉降下齿轮偏移量及齿轮-齿轨啮合力, figureFileSmall=L29iYdrs2Lw7MhxZDkUiJg==, figureFileBig=cHgrlNE6oVStKWi9JjTM+A==, tableContent=null), ArticleFig(id=1227653585526260080, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 17, caption=
Vibration spectrum of gear-rack meshing force under uniform settlement of double piers, figureFileSmall=r9OwbKTqZqJSauktpccBAA==, figureFileBig=ifosO7H+VQHtYqGlv+2EIA==, tableContent=null), ArticleFig(id=1227653585635311992, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图17, caption=
双墩均匀沉降下齿轮-齿轨啮合力振动频谱, figureFileSmall=r9OwbKTqZqJSauktpccBAA==, figureFileBig=ifosO7H+VQHtYqGlv+2EIA==, tableContent=null), ArticleFig(id=1227653585706615167, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 18, caption=
Gear offset and gear-rack meshing force under uneven settlement of double piers, figureFileSmall=WQ3KA+8PJJv82epVj9UMZg==, figureFileBig=SdvO2ojllBp+PvO8DKvSGA==, tableContent=null), ArticleFig(id=1227653585798889866, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图18, caption=
双墩不均匀沉降下齿轮偏移量及齿轮-齿轨啮合力, figureFileSmall=WQ3KA+8PJJv82epVj9UMZg==, figureFileBig=SdvO2ojllBp+PvO8DKvSGA==, tableContent=null), ArticleFig(id=1227653585895358866, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 19, caption=
Dynamic transmission error and meshing frequency of gear-rack under uniform settlement of double piers, figureFileSmall=vDHz1zjybTHc43/tBc3YCg==, figureFileBig=mPW89nnAotDn0RB/pzijQg==, tableContent=null), ArticleFig(id=1227653586012799386, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图19, caption=
双墩均匀沉降下齿轮-齿轨动态传递误差及啮合频率, figureFileSmall=vDHz1zjybTHc43/tBc3YCg==, figureFileBig=mPW89nnAotDn0RB/pzijQg==, tableContent=null), ArticleFig(id=1227653586130239907, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 20, caption=
Vertical acceleration and vibration spectrum of vehicle under uniform settlement of double piers, figureFileSmall=VXCrjekvjayrDxHGqxPRkw==, figureFileBig=+jdmhP4fLUxlSVLqtLMC/w==, tableContent=null), ArticleFig(id=1227653586243486123, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图20, caption=
双墩均匀沉降下车辆垂向加速度及其振动频谱, figureFileSmall=VXCrjekvjayrDxHGqxPRkw==, figureFileBig=+jdmhP4fLUxlSVLqtLMC/w==, tableContent=null), ArticleFig(id=1227653586348343731, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 21, caption=
Longitudinal acceleration and vibration spectrum of vehicle under uniform settlement of double piers, figureFileSmall=1RQmZfy0agTEuJvDntdK9w==, figureFileBig=VEn5zKZEH6o7k+E9IFD/Hw==, tableContent=null), ArticleFig(id=1227653586490950074, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图21, caption=
双墩均匀沉降下车体纵向加速度及其振动频谱, figureFileSmall=1RQmZfy0agTEuJvDntdK9w==, figureFileBig=VEn5zKZEH6o7k+E9IFD/Hw==, tableContent=null), ArticleFig(id=1227653586746802632, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 22, caption=
Vertical and longitudinal acceleration of vehicle under uneven settlement of double piers, figureFileSmall=RnzFnK9pE/CjpcG2HUlwZw==, figureFileBig=8m3K4yPY0N2DULDYGyea7w==, tableContent=null), ArticleFig(id=1227653586897797584, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图22, caption=
双墩不均匀沉降下车体垂、纵向加速度, figureFileSmall=RnzFnK9pE/CjpcG2HUlwZw==, figureFileBig=8m3K4yPY0N2DULDYGyea7w==, tableContent=null), ArticleFig(id=1227653587032015323, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 23, caption=
Vibration spectrum of vertical and longitudinal acceleration of vehicle under uneven settlement of double piers, figureFileSmall=m8mlOpgwbrRwshBxgAYWoQ==, figureFileBig=izB5dMe1NdiLp6YGQArz0A==, tableContent=null), ArticleFig(id=1227653587157844455, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图23, caption=
双墩不均匀沉降下车体垂、纵向加速度振动频谱, figureFileSmall=m8mlOpgwbrRwshBxgAYWoQ==, figureFileBig=izB5dMe1NdiLp6YGQArz0A==, tableContent=null), ArticleFig(id=1227653587308839407, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 24, caption=
Vertical acceleration of vehicle, figureFileSmall=c1UTwyjiTKg9Y9qaA8mEzQ==, figureFileBig=j0IYiEVZH6b6UiQq6QrpRw==, tableContent=null), ArticleFig(id=1227653587426279926, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图24, caption=
车体垂向加速度, figureFileSmall=c1UTwyjiTKg9Y9qaA8mEzQ==, figureFileBig=j0IYiEVZH6b6UiQq6QrpRw==, tableContent=null), ArticleFig(id=1227653587535331837, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Fig. 25, caption=
Longitudinal acceleration of vehicle, figureFileSmall=lgsblEerblCnhVmDKZ+Z3A==, figureFileBig=LE14k7yb92C+Dzi1KFFxew==, tableContent=null), ArticleFig(id=1227653587661160964, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=图25, caption=
车体纵向加速度, figureFileSmall=lgsblEerblCnhVmDKZ+Z3A==, figureFileBig=LE14k7yb92C+Dzi1KFFxew==, tableContent=null), ArticleFig(id=1227653587807961612, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Tab. 1, caption=
Model parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 单位 |
|---|
| 齿数 | 22 | — |
| 齿轮模数 | 31.384 | — |
| 车体质量 | 22000 | kg |
| 构架质量 | 2000 | kg |
| 轨枕质量 | 120 | kg |
| 道床刚度 | 7.84×104 | kN/m |
| 齿轨弹性模量 | 2.07×108 | kN/m2 |
| 齿轨剪切模量 | 8.1×107 | kN/m2 |
| 齿轨截面面积 | 4.5×10-3 | m2 |
| 钢轨截面面积 | 7.17×10-3 | m2 |
| 单位齿轨质量 | 50 | kg/m |
| 单位钢轨质量 | 56 | kg/m |
| 齿轨质量密度 | 7850 | kg/m3 |
| 梁体质量密度 | 2500 | kg/m3 |
| 齿轨主泊松比 | 0.3 | — |
| 梁体主泊松比 | 0.2 | — |
), ArticleFig(id=1227653587929596433, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=表1, caption=
模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 单位 |
|---|
| 齿数 | 22 | — |
| 齿轮模数 | 31.384 | — |
| 车体质量 | 22000 | kg |
| 构架质量 | 2000 | kg |
| 轨枕质量 | 120 | kg |
| 道床刚度 | 7.84×104 | kN/m |
| 齿轨弹性模量 | 2.07×108 | kN/m2 |
| 齿轨剪切模量 | 8.1×107 | kN/m2 |
| 齿轨截面面积 | 4.5×10-3 | m2 |
| 钢轨截面面积 | 7.17×10-3 | m2 |
| 单位齿轨质量 | 50 | kg/m |
| 单位钢轨质量 | 56 | kg/m |
| 齿轨质量密度 | 7850 | kg/m3 |
| 梁体质量密度 | 2500 | kg/m3 |
| 齿轨主泊松比 | 0.3 | — |
| 梁体主泊松比 | 0.2 | — |
), ArticleFig(id=1227653588017676824, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=EN, label=Tab. 2, caption=
Study conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 桥墩沉降类型 | 桥墩沉降位置 | 桥墩沉降量 |
|---|
| 单墩沉降 | ④ | 2 mm,6 mm,10 mm |
| 间隔双墩均匀沉降 | ③,⑤ | 2 mm,6 mm,10 mm |
| 相邻双墩均匀沉降 | ④,⑤ | 2 mm,6 mm,10 mm |
| 间隔双墩不均匀沉降 | ③,⑤ | 桥墩③:6 mm;桥墩⑤:10 mm |
| 相邻双墩不均匀沉降 | ④,⑤ | 桥墩④:6 mm;桥墩⑤:10 mm |
), ArticleFig(id=1227653588151894563, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591032934695725, language=CN, label=表2, caption=
研究工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 桥墩沉降类型 | 桥墩沉降位置 | 桥墩沉降量 |
|---|
| 单墩沉降 | ④ | 2 mm,6 mm,10 mm |
| 间隔双墩均匀沉降 | ③,⑤ | 2 mm,6 mm,10 mm |
| 相邻双墩均匀沉降 | ④,⑤ | 2 mm,6 mm,10 mm |
| 间隔双墩不均匀沉降 | ③,⑤ | 桥墩③:6 mm;桥墩⑤:10 mm |
| 相邻双墩不均匀沉降 | ④,⑤ | 桥墩④:6 mm;桥墩⑤:10 mm |
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